.default-exam-container {
    margin: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, .12), 0 0 6px rgba(0, 0, 0, .04);
    padding: 10px;
    border-radius: 2px;
}

.default-container {
    height: 620px;
    overflow-y: scroll;
    position: relative;
}

.default-content {
    height: 600px;
    /* 高度大于容器高度，以显示滚动条 */
}

.default-container::-webkit-scrollbar {
    width: 10px;
}

.default-container::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.default-container::-webkit-scrollbar-thumb {
    background: #888;
}

.default-container::-webkit-scrollbar-thumb:hover {
    background: #555;
}

body {
    overflow-x: hidden;
    overflow-y: hidden;
}